Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dwinnells Behavioral Health LLC

Organization Mental Health Counselor · NPI 1164222519

Dwinnells Behavioral Health LLC is a Mental Health Counselor in Holliston, Massachusetts. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

360 Woodland St
Holliston, MA 01746-1826
Phone: (978) 254-4119
Fax: (508) 371-9215
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1164222519
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Dwinnells — Owner · (978) 254-4119
NPI enumeratedMarch 14, 2025
Last updated in NPPESMarch 14, 2025
Certification dateMarch 14, 2025
Mailing address40 Spyglass Hill Dr, Ashland, MA 01721-2365

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